#!/usr/bin/env node

const { Transform } = require('stream'),
  stdin = process.stdin,
  stdout = process.stdout;

stdin.setEncoding('utf8');

const tf = new Transform();

tf._transform = function(chunk,encoding,callback){
  this.push(Buffer.from(chunk.toString('utf8').toUpperCase()));
  callback();
};



stdin.pipe(tf).pipe(stdout);


